Secondary outcome measures for eldest child by treatment arm
| 3 months | 6 months | |||
| HDHK-UK programme (n=29) | Minimum intervention (n=14) | HDHK-UK programme (n=29) | Minimum intervention (n=14) | |
| Change from baseline in BMI z-score | ||||
| Mean (SD), n | −0.131 (0.272), 14 | 0.016 (0.346), 8 | −0.016 (0.299), 12 | 0.039 (0.449), 10 |
| Change from baseline in % body fat | ||||
| Mean (SD), n | −0.58 (1.17), 13 | 0.04 (2.84), 8 | −0.80 (1.48), 11 | −0.88 (3.07), 8 |
| Categorised as overweight or obese (%) | ||||
| Underweight/healthy | 8 (27.6%) | 6 (42.9%) | 7 (24.1%) | 6 (42.9%) |
| Overweight/obese | 7 (24.1%) | 3 (21.4%) | 6 (20.7%) | 4 (28.6%) |
| Missing | 14 (48.3%) | 5 (35.7%) | 16 (55.2%) | 4 (28.6%) |
| Physical activity measured by a GENEactive accelerometer | ||||
| Median for total activity (min) (IQR), n | 342.3 (262.7–427.7), 17 | 277.0 (272.5–314.3), 9 | 347.3 (321.6–384.0), 10 | 312.8 (245.4–456.8), 8 |
| Median for moderate/vigorous activity (IQR), n | 73.5 (34.7–99.3), 17 | 57.0 (26.8–73.0), 9 | 73.2 (49.0–105.7), 10 | 56.0 (32.4–110.6), 8 |
| Family nutrition and physical activity questionnaire30 | ||||
| Mean (SD), n | 62.3 (7.7), 16 | 61.1 (5.2), 9 | 61.2 (6.5), 9 | 62.1 (3.0), 8 |
| CHU-9D33–35 (child utility measure) | ||||
| Mean (SD), n | 0.89 (0.09), 15 | 0.93 (0.04), 9 | 0.92 (0.09), 11 | 0.92 (0.11), 8 |
| SDQ*31 (total SDQ) | ||||
| Mean (SD), n | – | – | 7.4 (3.8), 12 | 11.2 (6.1), 6 |
*SDQ: Each 1-point increase in the total difficulties score corresponds with an increase in the risk of developing a mental health disorder.
BMI, body mass index; CHU-9D, Child Health Utility-9D; SDQ, Strengths and Difficulties Questionnaire.